Developer credits
Git commits in Moodle 3.3.x by Carlos Alexandre S. da Fonseca
commit d36fdb9657fc17344e61b4f18fbf6104257c0e49 Author: Carlos Alexandre S. da Fonseca <bozohhot@hotmail.com> Date: Tue, 21 Nov 2017 20:26:39 +0800 Tag: v3.3.4 MDL-24678 mod_chat: Fixed race condition on chat module